Home / 119,556.01-164,986.05-65,839.88

Finding the Fourth Proportional to 119,556.01, 164,986.05 and 65,839.88

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Solution

The fourth proportional to 119,556.01, 164,986.05 and 65,839.88 is: 90,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,556.01 : 164,986.05 = 65,839.88 : x
  2. Step 2: Convert to fraction form
    119,556.01/164,986.05 = 65,839.88/x
  3. Step 3: Cross multiply
    119,556.01x = 164,986.05 × 65,839.88
  4. Step 4: Simplify right side
    119,556.01x = 10,862,660,579.54
  5. Step 5: Solve for x
    x = 10,862,660,579.54/119,556.01
  6. Step 6: Final answer
    x = 90,858.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.